diff --git a/CS2JLibrary/NetFramework/System/DateTime.xml b/CS2JLibrary/NetFramework/System/DateTime.xml
index bfbd2d7..2584f57 100644
--- a/CS2JLibrary/NetFramework/System/DateTime.xml
+++ b/CS2JLibrary/NetFramework/System/DateTime.xml
@@ -6,7 +6,9 @@
   <Java>Date</Java>
   <Name>System.DateTime</Name>
   <Uses />
-  <Inherits />
+  <Inherits>
+    <Type>System.Object</Type>
+  </Inherits>
   <Methods>
     <Method>
       <Imports>
diff --git a/CS2JLibrary/NetFramework/System/Text/StringBuilder.xml b/CS2JLibrary/NetFramework/System/Text/StringBuilder.xml
index 0dde7be..6d6b634 100644
--- a/CS2JLibrary/NetFramework/System/Text/StringBuilder.xml
+++ b/CS2JLibrary/NetFramework/System/Text/StringBuilder.xml
@@ -4,7 +4,9 @@
   <Java>StringBuilder</Java>
   <Name>System.Text.StringBuilder</Name>
   <Uses />
-  <Inherits />
+  <Inherits>
+    <Type>System.Object</Type>
+  </Inherits>
   <Methods>
     <Method>
       <Imports />